CypherCon 2023

Tales of Physical Penetration Tests and How to Defend Your Organization

Ryan Zagrodnik & Chad Finkenbiner


Have you ever wondered what it’s like to be a legal criminal? Join us as we tell the tales of our physical penetration tests. From dumpster diving to cloning RFID cards with our Flipper Zeros, learn our most successful techniques and how to defend against them!

Ryan Zagrodnik & Chad Finkenbiner

Offensive, Defensive, but really Offensive!

Chad Finkenbiner has worked in information technology for well over 15 years.  Before joining the team at SynerComm, Chad worked in the healthcare industry supporting medical imaging and voice dictation systems across the country.  He also served as a Data Network Specialist in the United States Marine Corps.  In addition to physical penetration testing, Chad is skilled in wired/wireless network penetration testing.  When he isn’t consulting, Chad serves as a professional development mentor, guest speaker, as well as an elected official on his local city council.


Ryan Zagrodnik has been consulting as a Penetration Tester for SynerComm for almost five years. Ryan brings over sixteen years of red and blue team experience. Ryan started his career maintaining large enterprise networks as a System Administrator in 2007. Ryan earned his CISSP in 2011 and has been working in offensive security ever since. Prior to starting at SynerComm, Ryan spent three years on an internal red team at a Fortune 1000 organization. Ryan also spent several years working in offensive and defensive security roles for large enterprises who provided services for the U.S. Department of Defense and Department of Education.